AU6876098A - Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity - Google Patents

Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity

Info

Publication number
AU6876098A
AU6876098A AU68760/98A AU6876098A AU6876098A AU 6876098 A AU6876098 A AU 6876098A AU 68760/98 A AU68760/98 A AU 68760/98A AU 6876098 A AU6876098 A AU 6876098A AU 6876098 A AU6876098 A AU 6876098A
Authority
AU
Australia
Prior art keywords
oxides
storage capacity
thermal stability
oxygen storage
improved thermal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU68760/98A
Inventor
Jean-Pierre Cuif
Steven Eric Deutsch
Julie Lynn Shreeve Keyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RHODA Inc
Original Assignee
RHODA Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/837,631 external-priority patent/US6133194A/en
Application filed by RHODA Inc filed Critical RHODA Inc
Publication of AU6876098A publication Critical patent/AU6876098A/en
Abandoned legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/03Precipitation; Co-precipitation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0259Physical processing only by adsorption on solids
    • C01B13/0262Physical processing only by adsorption on solids characterised by the adsorbent
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0259Physical processing only by adsorption on solids
    • C01B13/0281Physical processing only by adsorption on solids in getters
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00Compounds of zirconium
    • C01G25/02Oxides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333Catalytic processes
    • C07C5/3332Catalytic processes with metal oxides or metal sulfides
    • B01J35/613
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • C01P2002/52Solid solutions containing elements as dopants
    • C01P2002/54Solid solutions containing elements as dopants one element only
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other properties not specified above
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/10Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
AU68760/98A 1997-04-04 1998-04-01 Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity Abandoned AU6876098A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4269397P 1997-04-04 1997-04-04
US60042693 1997-04-04
US08837631 1997-04-21
US08/837,631 US6133194A (en) 1997-04-21 1997-04-21 Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity
PCT/US1998/006437 WO1998045212A1 (en) 1997-04-04 1998-04-01 CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY

Publications (1)

Publication Number Publication Date
AU6876098A true AU6876098A (en) 1998-10-30

Family

ID=26719523

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68760/98A Abandoned AU6876098A (en) 1997-04-04 1998-04-01 Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity

Country Status (3)

Country Link
AU (1) AU6876098A (en)
NO (1) NO994794L (en)
WO (1) WO1998045212A1 (en)

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CN1507357A (en) * 2000-10-31 2004-06-23 PRҩƷ���޹�˾ Method and compositions for enhanced delivery of bioactive molecules
US6528451B2 (en) * 2001-03-13 2003-03-04 W.R. Grace & Co.-Conn. Catalyst support material having high oxygen storage capacity and method of preparation thereof
GB0112000D0 (en) * 2001-05-16 2001-07-11 Oxonica Ltd Comminution of coated metal oxides and hydroxides
GB2381530A (en) * 2001-11-01 2003-05-07 Oxonica Ltd Water-soluble particles of luminescent materials and their use in Biotagging
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FR2859470B1 (en) 2003-09-04 2006-02-17 Rhodia Elect & Catalysis COMPOSITION BASED ON CERIUM OXIDE AND ZIRCONIUM OXIDE WITH REDUCIBILITY AND HIGH SURFACE, PREPARATION METHOD AND USE AS CATALYST
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EP1894620B2 (en) 2006-08-22 2023-06-07 Daiichi Kigenso Kagaku Kogyo Co., Ltd. Method to produce a porous zirconia powder
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FR2973793A1 (en) 2011-04-08 2012-10-12 Rhodia Operations COMPOSITION BASED ON ZIRCONIUM OXIDES, CERIUM, AT LEAST ONE RARE EARTH OTHER THAN CERIUM AND SILICON, PROCESSES FOR PREPARATION AND USE IN CATALYSIS
FR2976574B1 (en) 2011-06-17 2013-05-31 Rhodia Operations COMPOSITION BASED ON OXIDES OF CERIUM, ZIRCONIUM AND ANOTHER RARE EARTH WITH HIGH REDUCIBILITY, PROCESS FOR PREPARATION AND USE IN THE CATALYSIS FIELD.
FR2977582B1 (en) * 2011-07-04 2014-07-11 Rhodia Operations COMPOSITION COMPRISING A MIXED OXIDE OF ZIRCONIUM AND CERIUM WITH HIGH REDUCTIVITY, PROCESS FOR THE PREPARATION AND USE IN THE FIELD OF CATALYSIS
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BR112018073652A2 (en) * 2016-05-18 2019-02-19 Rhodia Operations cerium oxide particles and method for producing them
US11583831B2 (en) 2016-12-23 2023-02-21 Rhodia Operations Mixed cerium- and zirconium-based oxide
WO2019043346A1 (en) 2017-09-01 2019-03-07 Rhodia Operations Cerium- and zirconium-based mixed oxide
FR3077567A1 (en) 2018-02-02 2019-08-09 Rhodia Operations PROCESS FOR PREPARING A CERIUM AND / OR ZIRCONIUM OXIDE
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KR20210106490A (en) 2018-12-28 2021-08-30 로디아 오퍼레이션스 Use of cerium oxide for the preparation of lean NOx trapping catalyst composition and method of treating exhaust gases using said composition
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EP3877337A1 (en) * 2019-01-04 2021-09-15 Pacific Industrial Development Corporation Nanocrystal-sized cerium-zirconium oxide material and method of making the same
WO2021165748A1 (en) * 2020-02-21 2021-08-26 Neo Performance Materials (Singapore) Pte. Ltd. Compositions containing cerium and zirconium and methods for preparing same using oxalic acid
EP3927464A1 (en) * 2020-02-27 2021-12-29 Neo Performance Materials (Singapore), PTE. LTD. Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and an alcohol
WO2021186240A1 (en) * 2020-03-16 2021-09-23 Neo Performance Materials (Singapore) Pte. Ltd. Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and supercritical drying
KR20220028810A (en) * 2020-08-31 2022-03-08 주식회사 엘지화학 Manufacturing method for ceria-zirconia composite oxides, ceria-zirconia composite oxides and catalyst comprising same, manufacturing method for butadiene using zinc-ferrite catalyst
RU2766540C1 (en) * 2021-05-27 2022-03-15 Евгений Олегович Бакшеев Method of producing oxide compositions of cerium-zirconium and rare-earth elements
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Also Published As

Publication number Publication date
WO1998045212A1 (en) 1998-10-15
NO994794L (en) 1999-12-01
NO994794D0 (en) 1999-10-01

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